en
sleeper
/ˈsliː.pɚ/
Definition
1
A person or animal that is sleeping.
2
A sofa or couch that can be converted into a bed.
3
A train carriage or compartment equipped with beds for passengers.
4
A spy who remains inactive for a long period while establishing a normal identity.
5
An unexpected success, especially a film or song that gains popularity after initial obscurity (sleeper hit).
Examples
The office sleeper was caught napping at his desk, dreaming of coffee instead of spreadsheets.
That indie band turned into a sleeper hit, waking up the charts after years in obscurity.
My pull-out sleeper sofa is a genius invention—until you try to fold it back up at 2 a.m.
The CIA's sleeper agent blended in so well, he became the neighborhood grill master.